package com.atguigu.seckill.interceptor;

import com.atguigu.common.vo.MemberResponseVo;
import org.springframework.stereotype.Component;
import org.springframework.util.AntPathMatcher;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import static com.atguigu.common.constants.SessionAttrKeyConstant.LOGIN_USER;


/**
 * description: LoginUserInterceptor
 * date: 2022/12/22 16:41
 * author: MR.孙
 */
@Component
public class LoginUserInterceptor implements HandlerInterceptor {


    public static ThreadLocal<MemberResponseVo> loginUser = new ThreadLocal<>();

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        //放行远程查询请求
        String uri = request.getRequestURI();
        AntPathMatcher antPathMatcher = new AntPathMatcher();
        boolean match = antPathMatcher.match("/kill", uri);

        if (match){
            //判断是否登录
            MemberResponseVo attribute = (MemberResponseVo) request.getSession().getAttribute(LOGIN_USER);
            if (attribute!=null) {
                //登录了
                loginUser.set(attribute);
                return true;
            } else {
                //未登录，请先登录
                request.getSession().setAttribute("msg", "请先进行登录");
                response.sendRedirect("http://auth.gulimall.com/login.html");
                return false;
            }
        }

        return true;

    }
}
